WO2011146809A1 - Lead system for electrical devices used in medical procedures - Google Patents
Lead system for electrical devices used in medical procedures Download PDFInfo
- Publication number
- WO2011146809A1 WO2011146809A1 PCT/US2011/037294 US2011037294W WO2011146809A1 WO 2011146809 A1 WO2011146809 A1 WO 2011146809A1 US 2011037294 W US2011037294 W US 2011037294W WO 2011146809 A1 WO2011146809 A1 WO 2011146809A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- lead
- housing
- variable
- sliding member
- along
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/28—Coupling parts carrying pins, blades or analogous contacts and secured only to wire or cable
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R27/00—Coupling parts adapted for co-operation with two or more dissimilar counterparts
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00053—Mechanical features of the instrument of device
- A61B2018/00172—Connectors and adapters therefor
- A61B2018/00178—Electrical connectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2103/00—Two poles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2201/00—Connectors or connections adapted for particular applications
- H01R2201/12—Connectors or connections adapted for particular applications for medicine and surgery
Definitions
- the present system relates to electrical devices, and more particularly, to leads for use in medical procedures.
- Electrosurgical techniques are used in both open and minimally invasive surgical procedures.
- high frequency electric current is applied to biological tissue as a means to cut, coagulate, desiccate, or fulgurate tissue.
- Electrosurgical techniques are beneficial because the techniques include the ability to make precise cuts with limited blood loss. More specifically, electrosurgery employs 0.5-2 MHz (alternating) radiofrequency current applied to a small area (active) electrode.
- a monopolar electrosurgical system includes an instrument comprising an electrode that is conductively connected to the active terminal of a monopolar RF generator.
- Monopolar electrosurgical instruments are used primarily for electrosurgical cutting of tissue and provide for generally wide-reaching coagulation.
- Bipolar electrosurgical systems include instruments which have both positive and negative electrodes on the instrument itself, which electrodes are connected to the positive and negative terminals of a bipolar RF generator.
- Bipolar electrosurgical instruments generally provide the physician with greater control of the path of the RF energy through the patient, as the RF energy generally passes only though the tissue located between the electrodes of opposite polarity on the instrument, and not otherwise through the patient's body.
- bipolar electrosurgical instruments may provide for a more refined surgical technique and more predictable current flow.
- Bipolar electrosurgical instruments e.g., endoscopic accessories
- ESU electrosurgical unit
- this connection can be a mono plug or a dual plug. See, for example, BCP-7A (dual plug) and BCP-7B (mono plug) Quicksilver Bipolar® Probes (supplied by Cook Medical, Bloomington, IN 47402).
- BCP-7A dual plug
- BCP-7B mono plug
- Quicksilver Bipolar® Probes supplied by Cook Medical, Bloomington, IN 47402
- the connection points for a dual plug on ESUs are a fixed distance from one another.
- the leads on the bipolar device can simply be fixed a set distance from one another to adequately mate to the fixed distance connection point on the ESU. More particularly, safety requirements for the use of high frequency surgical equipment dictate that active connectors having more than one pin shall have fixed pin spacing, and that "flying" leads are prohibited. Fixed is defined in these requirements as meaning fastened or otherwise secured at a specific location either permanently or so that it can only be detached by means of a tool, i.e., making removal or opening difficult without using a tool.
- connection points have different set distances of connection points, thus requiring different lead devices depending on the distance of the connection points on a particular ESU.
- the lead system may include a housing, a fixed lead secured to the housing and a variable lead connected to the housing.
- the lead system also may include a mechanism for translating the position of the variable lead relative to the housing so as to vary the spacing between the fixed lead and variable lead.
- the lead system also may include a locking mechanism for locking the variable lead against movement relative to the housing.
- the system has the advantage of being able to provide variable fixed leads for compatibility with varied electrical devices.
- FIG. 1 is an illustration of the lead system for electrical devices used in medical procedures illustrating one embodiment of the lead system.
- FIG. 2 is an illustration of the lead system illustrating a variable lead positioned in a first position along the housing.
- FIG. 3 is an illustration of the variable lead system illustrating a variable lead positioned in a second position along the housing.
- FIG. 4 is an illustration of aspects of the lead system shown in FIG. 2.
- FIG. 5 is an illustration taken along line 5-5 of FIG. 4.
- FIG. 6 is an alternative embodiment of the lead system for electrical devices used in medical procedures.
- FIG. 7 is a side view of the embodiment illustrated in FIG. 6.
- FIG. 8 is an alternative embodiment of the lead system for electrical devices used in medical procedures.
- FIG. 9 is an alternative embodiment of the lead system for electrical devices used in medical procedures.
- FIG. 10 is an alternative embodiment of the lead system for electrical devices used in medical procedures.
- FIG. 11 is an alternative embodiment of the lead system for electrical devices used in medical procedures.
- FIG. 12 is an alternative embodiment of the lead system for electrical devices used in medical procedures. DETAILED DESCRIPTION OF THE DRAWINGS AND THE
- a lead system 100 is shown for use in conjunction with an electrosurgical device 102.
- the lead system 100 illustrated in FIG. 1 may employ any of the embodiments described herein, as well as others, and that it is the following claims, including all equivalents, that are intended to define the spirit and scope of this invention.
- the lead system 100 may include other components that guide movement of various components of the system that are not shown in the Figures but nonetheless aid the operation of the lead system 100.
- an electrosurgical device 102 is shown by way of example only, use of the lead system 100 in other clinical situations is envisioned.
- the electrosurgical device 102 is a standard electrosurgical device, and various components are shown for illustration purposes only.
- the electrosurgical device 102 includes an input receptacle 104 that can be mono-plug or dual-plug.
- the input receptacle 104 may receive the lead system 100 when the lead system 100 is plugged in to the input receptacle 104 of the electrosurgical device 102.
- Removably attached to the lead system 100 is an instrument cable 106 that is connected with an instrument 108.
- the instrument 108 may be any instrument for use in the clinical environment that would benefit from the advantages disclosed herein.
- the instrument 108 could be scissors, graspers, forceps, or any other instrument having electrodes associated therewith.
- FIGS. 2-12 illustrate various embodiments of the lead system 100.
- FIGS. 2 and 3 illustrate the lead system 100 having a housing 200.
- the housing 200 may be various shapes, such as illustrated herein or designed more aesthetically or functionally as the application requires. Formed on the top of the housing 200 are housing tracks 202, upon which a sliding member 204 is slidably attached and may translate. Although two housing tracks 202 are shown, it should be understood that one track could be implemented, as well as more than two tracks, depending on the application of the lead system 100.
- the sliding member 204 may also be in communication with a locking mechanism 206.
- the locking mechanism 206 may be a hex screw or some other mechanism to stop the sliding member 204 from freely translating along the housing tracks 202.
- a user may simply unlock or loosen the locking mechanism 206 and maneuver the sliding member 204.
- FIG. 2 illustrates the sliding member 204 in a first position in relation to the housing 200
- FIG. 3 illustrates the sliding member 204 in a second position in relation to the housing 200.
- variable lead 208 is in communication with the sliding member 204 (as further explained below) such that when the sliding member 204 translates along the housing tracks 202, the variable lead 208 translates in a similar direction.
- a fixed lead 210 is also shown.
- the variable lead 208 is laterally moveable between a plurality of positions so as to vary the spacing between the fixed lead 210 and the variable lead 208.
- FIGS. 4 and 5 illustrate how the variable lead 208 translates with the sliding member 204. Shown in FIG. 4 is the sliding member 204 engaging a lead channel 212 and a channel component 400. The channel component 400 translates within the housing track 202 and engages the lead channel 212. The lead channel 212 aids the translation of the variable lead 208 (not shown) by engaging the variable lead 208. FIG. 5 illustrates how this translation occurs, and is taken along line 5-5 in FIG. 4. The locking mechanism 206 is shown extending securely into the portion of the channel component 400 illustrated in FIG. 5. As the locking mechanism 206 is tightened, the sliding member 204 is secured against the housing tracks 202, thus impeding translation of the sliding member along the housing tracks 202.
- a channel post 500 is attached to the channel component 400 and is engaged with the lead channel 212.
- the sliding member 204 is laterally moveable between a plurality of positions so as to vary the spacing between the fixed lead 210 and the variable lead 208.
- FIGS. 6 and 7 illustrate an alternative embodiment of the lead system illustrated in FIGS 2-5.
- a lead system 600 is shown, including a housing 602.
- the housing 602 may be various shapes, such as illustrated herein or designed more aesthetically or functionally as the application requires.
- the lead system 600 may also include a gear 604 and a tool 606.
- the tool 606 preferably is a hex screw or some other mechanism that, upon rotation, mechanically rotates the gear 604.
- the gear 604 engages a gear bar 612, which is in communication with the variable lead 610.
- the gear bar 612 has gear teeth 614 that are in communication with the gear 604.
- FIG. 7 illustrates a side view of the embodiment shown in FIG. 6.
- FIG. 7 includes a locking mechanism 700, which locks or fixes the variable lead 610 when the tool 606 is pressed down toward the locking mechanism 700.
- FIG. 8 illustrates another alternative embodiment of the lead system.
- a lead system 800 is shown, including a housing 802.
- the housing 802 may be various shapes, such as illustrated herein or designed more aesthetically or functionally as the application requires.
- a fixed lead 812 may also be included.
- the lead system 800 includes a gear 804 and a tool 806.
- the tool 806 preferably is a hex screw or some other mechanism that, upon rotation, mechanically rotates the gear 804, which in turn interacts with a gear bar 810 attached to a variable lead 814 so as to vary the spacing between the variable lead 814 and the fixed lead 812.
- the gear bar 810 has gear teeth 816 that are in communication with the gear 804.
- the tool 806 may also include a knob 808 extending outside the housing 802 which enables a user to rotate the tool 806.
- variable lead 814 is set at the appropriate distance (i.e., the distance necessary for a particular application) from the fixed lead 812, the variable lead 814 is fastened or otherwise secured at a specific location so that it can only be detached by means of an implement, such as fastening means (screws, nuts, etc.), making removal/opening difficult without using an implement.
- the knob 808 may be removable so as to prevent the rotation of the tool 806.
- FIG. 9 illustrates another alternative embodiment of the lead system.
- a lead system 900 is shown, including a housing 902.
- the housing 902 may be various shapes, such as illustrated herein or designed more aesthetically or functionally as the application requires.
- the lead system 900 includes a first bar 904 having a first end 914 and a second end 916 and a second bar 906 having a first end 918 and a second end 920, the first bar 904 and the second bar 906.
- the second end 916 of the first bar 904 and the second end 920 of the second bar 906 are linked together by a linking mechanism 908.
- the linking mechanism 908 may be a pin, screw, or other means that links the two bars 904 and 906 together.
- a fixed lead 910 and a variable lead 912 may also be included.
- the fixed lead 910 is fastened or otherwise secured at a specific location either permanently or so that it can only be detached by means of a tool, such as fastening means (screws, nuts, etc.), making removal/opening difficult without using a tool.
- the variable lead 912 may translate towards and away from the fixed lead 910 (along a vertical pathway in Fig. 9) by movement at the linkage point of the linking mechanism 908 (along a horizontal pathway in Fig. 9).
- the housing 902 may comprise a horizontal slot (not shown) along which the linking mechanism 908 may translate and be secured thereto.
- variable lead 912 is set at the appropriate distance from the fixed lead 910 (i.e., the distance necessary for a particular application)
- the variable lead 912 is fastened or otherwise secured by fixing the position of the linking mechanism 908 at a specific location relative to the housing 902.
- FIG. 10 illustrates another alternative embodiment of the lead system.
- a lead system 1000 is shown, including a housing 1002.
- the housing is shown, including a housing 1002.
- the lead system 1000 includes a torsion spring 1004 and a pivotal lever 1006, along with a fixed lead 1008, a variable lead 1010, and a lead bar 1012.
- the torsion spring 1004 is operably connected to the lever 1006 and biases the lever 1006 towards and into engagement with the lead bar 1012. For example, if the torsion spring 1004 is rotated in a clockwise manner, the lever 1006 disengages from the lead bar 1012, thereby allowing a user to translate the variable lead 1010 into a different position. When the user releases the lever 1006, the torsion spring 1004 then rotates the lever counterclockwise to reengage the lead bar 1012 and lock the variable lead
- FIG. 11 illustrates another alternative embodiment of the lead system.
- the lead system illustrated in Fig. 11 is similar to the lead system illustrated in Figs. 2-5, but comprises a pair of variable leads (as opposed to only a single variable lead).
- the lead system 1100 is shown having a housing 1102.
- the housing 1102 may be various shapes, such as illustrated herein or designed more aesthetically or functionally as the application requires.
- a first sliding member 1108 is shown engaging the first set of housing tracks 1104, and a second sliding member 1110 is shown engaging the second set of housing tracks 1106.
- the sliding members 1108 and 1110 may translate along each respective set of housing tracks 1104 and 1106.
- the first sliding member 1108 may also be in communication with a first locking mechanism 1112.
- the locking mechanism 1112 may be a hex screw or some other mechanism to stop the first sliding member 1108 from freely translating along the housing tracks 1104.
- a user may simply unlock the locking mechanism 1 112 and maneuver the sliding member 1108 from, for example, a first position to a second position.
- the second sliding member 1110 may also be in communication with a second locking mechanism 1114.
- the locking mechanism 1114 may be a hex screw or some other mechanism to stop the second sliding member 1110 from freely translating along the housing tracks 1106.
- a user may simply unlock the locking mechanism 1114 and maneuver the sliding member 11 10 from, for example, a first position to a second position.
- first lead 1116 and a second lead 1118 are shown in FIG. 11 .
- the first lead 1116 is in communication with the first sliding member 1108 such that when the first sliding member 1108 translates along the first set of housing tracks 1104, the first lead 1116 translates in a similar.
- the second lead 1118 is in communication with the second sliding member 1110 such that when the second sliding member 1110 translates along the second set of housing tracks 1106, the second lead 1118 translates in a similar direction.
- the first lead 1116 and second lead 1118 are laterally moveable between a plurality of positions so as to vary the spacing between the first lead 1116 and the second lead 1118.
- FIG. 12 illustrates another alternative embodiment of the lead system, which is similar to the lead system illustrated in Figs. 2-5.
- a lead system 1200 is shown, including a housing 1202.
- the housing 1202 may be various shapes, such as illustrated herein or designed more aesthetically or functionally as the application requires.
- the lead system 1200 includes a housing channel 1204 through which a sliding member 1206 may translate.
- the sliding member 1206 may be in communication with a locking mechanism 1208.
- the locking mechanism 1208 may be a hex screw or some other mechanism to stop the sliding member 1206 from freely translating within the housing channel 1204.
- a user simply unlocks or loosens the locking mechanism 1208 to allow the sliding member 1206 to translate along the housing channel 1204.
- variable lead 1210 is in communication with the sliding member 1206 such that when the sliding member 1206 translates through the housing channel 1204, the variable lead 1210 translates in a similar direction.
- a fixed lead 1212 is also shown.
- the variable lead 1210 is laterally moveable between a plurality of positions so as to vary the spacing between the fixed lead 1212 and the variable lead 1210. While a fixed lead 1212 is shown, it should be understood that an additional variable lead could be included in the manner described above.
- the housing channel 1204 could extend across the housing 1202 thereby providing room for an additional sliding member in communication with an additional variable lead.
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Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2011255444A AU2011255444B2 (en) | 2010-05-20 | 2011-05-20 | Lead system for electrical devices used in medical procedures |
EP11722697.7A EP2571441B1 (en) | 2010-05-20 | 2011-05-20 | Lead system for electrical devices used in medical procedures |
JP2013511375A JP5647729B2 (en) | 2010-05-20 | 2011-05-20 | Lead system for electrical devices used in medical procedures |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US34673510P | 2010-05-20 | 2010-05-20 | |
US61/346,735 | 2010-05-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2011146809A1 true WO2011146809A1 (en) | 2011-11-24 |
Family
ID=44121346
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2011/037294 WO2011146809A1 (en) | 2010-05-20 | 2011-05-20 | Lead system for electrical devices used in medical procedures |
Country Status (5)
Country | Link |
---|---|
US (1) | US9059547B2 (en) |
EP (1) | EP2571441B1 (en) |
JP (1) | JP5647729B2 (en) |
AU (1) | AU2011255444B2 (en) |
WO (1) | WO2011146809A1 (en) |
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JP2013532043A (en) * | 2010-06-30 | 2013-08-15 | アルコン リサーチ, リミテッド | Bipolar connector system |
CN104767090A (en) * | 2014-01-08 | 2015-07-08 | 城下工业株式会社 | Plug conversion adapter |
GB2539163A (en) * | 2015-01-30 | 2016-12-14 | Brooke Gerard | An electrical connector |
WO2018145695A1 (en) * | 2017-02-08 | 2018-08-16 | Gruenberger Andro | Electric adapter |
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EP2571441B1 (en) | 2020-03-25 |
US20120130365A1 (en) | 2012-05-24 |
US9059547B2 (en) | 2015-06-16 |
JP5647729B2 (en) | 2015-01-07 |
EP2571441A1 (en) | 2013-03-27 |
AU2011255444B2 (en) | 2014-07-17 |
JP2013532005A (en) | 2013-08-15 |
AU2011255444A1 (en) | 2012-12-06 |
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